TY  - BOOK
TI  - Scientific American Supplement, No. 446, July 19, 1884
AV  - T 
PY  - 2004///
PB  - Project Gutenberg
KW  - Science -- Periodicals
N1  - Project Gutenberg; Freely available; Electronic text
UR  - http://www.gutenberg.org/etext/11385
UR  - http://www.gutenberg.org/license
ER  -